Contract 0x517D8293a7f2Bfb8803b081D7750fE3fC51623B3 7

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract AutomationBase {
  error OnlySimulatedBackend();

  /**
   * @notice method that allows it to be simulated via eth_call by checking that
   * the sender is the zero address.
   */
  function preventExecution() internal view {
    if (tx.origin != address(0)) {
      revert OnlySimulatedBackend();
    }
  }

  /**
   * @notice modifier that allows it to be simulated via eth_call by checking
   * that the sender is the zero address.
   */
  modifier cannotExecute() {
    preventExecution();
    _;
  }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./AutomationBase.sol";
import "./interfaces/AutomationCompatibleInterface.sol";

abstract contract AutomationCompatible is AutomationBase, AutomationCompatibleInterface {}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/** ****************************************************************************
 * @notice Interface for contracts using VRF randomness
 * *****************************************************************************
 * @dev PURPOSE
 *
 * @dev Reggie the Random Oracle (not his real job) wants to provide randomness
 * @dev to Vera the verifier in such a way that Vera can be sure he's not
 * @dev making his output up to suit himself. Reggie provides Vera a public key
 * @dev to which he knows the secret key. Each time Vera provides a seed to
 * @dev Reggie, he gives back a value which is computed completely
 * @dev deterministically from the seed and the secret key.
 *
 * @dev Reggie provides a proof by which Vera can verify that the output was
 * @dev correctly computed once Reggie tells it to her, but without that proof,
 * @dev the output is indistinguishable to her from a uniform random sample
 * @dev from the output space.
 *
 * @dev The purpose of this contract is to make it easy for unrelated contracts
 * @dev to talk to Vera the verifier about the work Reggie is doing, to provide
 * @dev simple access to a verifiable source of randomness. It ensures 2 things:
 * @dev 1. The fulfillment came from the VRFCoordinator
 * @dev 2. The consumer contract implements fulfillRandomWords.
 * *****************************************************************************
 * @dev USAGE
 *
 * @dev Calling contracts must inherit from VRFConsumerBase, and can
 * @dev initialize VRFConsumerBase's attributes in their constructor as
 * @dev shown:
 *
 * @dev   contract VRFConsumer {
 * @dev     constructor(<other arguments>, address _vrfCoordinator, address _link)
 * @dev       VRFConsumerBase(_vrfCoordinator) public {
 * @dev         <initialization with other arguments goes here>
 * @dev       }
 * @dev   }
 *
 * @dev The oracle will have given you an ID for the VRF keypair they have
 * @dev committed to (let's call it keyHash). Create subscription, fund it
 * @dev and your consumer contract as a consumer of it (see VRFCoordinatorInterface
 * @dev subscription management functions).
 * @dev Call requestRandomWords(keyHash, subId, minimumRequestConfirmations,
 * @dev callbackGasLimit, numWords),
 * @dev see (VRFCoordinatorInterface for a description of the arguments).
 *
 * @dev Once the VRFCoordinator has received and validated the oracle's response
 * @dev to your request, it will call your contract's fulfillRandomWords method.
 *
 * @dev The randomness argument to fulfillRandomWords is a set of random words
 * @dev generated from your requestId and the blockHash of the request.
 *
 * @dev If your contract could have concurrent requests open, you can use the
 * @dev requestId returned from requestRandomWords to track which response is associated
 * @dev with which randomness request.
 * @dev See "SECURITY CONSIDERATIONS" for principles to keep in mind,
 * @dev if your contract could have multiple requests in flight simultaneously.
 *
 * @dev Colliding `requestId`s are cryptographically impossible as long as seeds
 * @dev differ.
 *
 * *****************************************************************************
 * @dev SECURITY CONSIDERATIONS
 *
 * @dev A method with the ability to call your fulfillRandomness method directly
 * @dev could spoof a VRF response with any random value, so it's critical that
 * @dev it cannot be directly called by anything other than this base contract
 * @dev (specifically, by the VRFConsumerBase.rawFulfillRandomness method).
 *
 * @dev For your users to trust that your contract's random behavior is free
 * @dev from malicious interference, it's best if you can write it so that all
 * @dev behaviors implied by a VRF response are executed *during* your
 * @dev fulfillRandomness method. If your contract must store the response (or
 * @dev anything derived from it) and use it later, you must ensure that any
 * @dev user-significant behavior which depends on that stored value cannot be
 * @dev manipulated by a subsequent VRF request.
 *
 * @dev Similarly, both miners and the VRF oracle itself have some influence
 * @dev over the order in which VRF responses appear on the blockchain, so if
 * @dev your contract could have multiple VRF requests in flight simultaneously,
 * @dev you must ensure that the order in which the VRF responses arrive cannot
 * @dev be used to manipulate your contract's user-significant behavior.
 *
 * @dev Since the block hash of the block which contains the requestRandomness
 * @dev call is mixed into the input to the VRF *last*, a sufficiently powerful
 * @dev miner could, in principle, fork the blockchain to evict the block
 * @dev containing the request, forcing the request to be included in a
 * @dev different block with a different hash, and therefore a different input
 * @dev to the VRF. However, such an attack would incur a substantial economic
 * @dev cost. This cost scales with the number of blocks the VRF oracle waits
 * @dev until it calls responds to a request. It is for this reason that
 * @dev that you can signal to an oracle you'd like them to wait longer before
 * @dev responding to the request (however this is not enforced in the contract
 * @dev and so remains effective only in the case of unmodified oracle software).
 */
abstract contract VRFConsumerBaseV2 {
  error OnlyCoordinatorCanFulfill(address have, address want);
  address private immutable vrfCoordinator;

  /**
   * @param _vrfCoordinator address of VRFCoordinator contract
   */
  constructor(address _vrfCoordinator) {
    vrfCoordinator = _vrfCoordinator;
  }

  /**
   * @notice fulfillRandomness handles the VRF response. Your contract must
   * @notice implement it. See "SECURITY CONSIDERATIONS" above for important
   * @notice principles to keep in mind when implementing your fulfillRandomness
   * @notice method.
   *
   * @dev VRFConsumerBaseV2 expects its subcontracts to have a method with this
   * @dev signature, and will call it once it has verified the proof
   * @dev associated with the randomness. (It is triggered via a call to
   * @dev rawFulfillRandomness, below.)
   *
   * @param requestId The Id initially returned by requestRandomness
   * @param randomWords the VRF output expanded to the requested number of words
   */
  function fulfillRandomWords(uint256 requestId, uint256[] memory randomWords) internal virtual;

  // rawFulfillRandomness is called by VRFCoordinator when it receives a valid VRF
  // proof. rawFulfillRandomness then calls fulfillRandomness, after validating
  // the origin of the call
  function rawFulfillRandomWords(uint256 requestId, uint256[] memory randomWords) external {
    if (msg.sender != vrfCoordinator) {
      revert OnlyCoordinatorCanFulfill(msg.sender, vrfCoordinator);
    }
    fulfillRandomWords(requestId, randomWords);
  }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface AggregatorV3Interface {
  function decimals() external view returns (uint8);

  function description() external view returns (string memory);

  function version() external view returns (uint256);

  function getRoundData(uint80 _roundId)
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );

  function latestRoundData()
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface AutomationCompatibleInterface {
  /**
   * @notice method that is simulated by the keepers to see if any work actually
   * needs to be performed. This method does does not actually need to be
   * executable, and since it is only ever simulated it can consume lots of gas.
   * @dev To ensure that it is never called, you may want to add the
   * cannotExecute modifier from KeeperBase to your implementation of this
   * method.
   * @param checkData specified in the upkeep registration so it is always the
   * same for a registered upkeep. This can easily be broken down into specific
   * arguments using `abi.decode`, so multiple upkeeps can be registered on the
   * same contract and easily differentiated by the contract.
   * @return upkeepNeeded boolean to indicate whether the keeper should call
   * performUpkeep or not.
   * @return performData bytes that the keeper should call performUpkeep with, if
   * upkeep is needed. If you would like to encode data to decode later, try
   * `abi.encode`.
   */
  function checkUpkeep(bytes calldata checkData) external returns (bool upkeepNeeded, bytes memory performData);

  /**
   * @notice method that is actually executed by the keepers, via the registry.
   * The data returned by the checkUpkeep simulation will be passed into
   * this method to actually be executed.
   * @dev The input to this method should not be trusted, and the caller of the
   * method should not even be restricted to any single registry. Anyone should
   * be able call it, and the input should be validated, there is no guarantee
   * that the data passed in is the performData returned from checkUpkeep. This
   * could happen due to malicious keepers, racing keepers, or simply a state
   * change while the performUpkeep transaction is waiting for confirmation.
   * Always validate the data passed in.
   * @param performData is the data which was passed back from the checkData
   * simulation. If it is encoded, it can easily be decoded into other types by
   * calling `abi.decode`. This data should not be trusted, and should be
   * validated against the contract's current state.
   */
  function performUpkeep(bytes calldata performData) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface VRFCoordinatorV2Interface {
  /**
   * @notice Get configuration relevant for making requests
   * @return minimumRequestConfirmations global min for request confirmations
   * @return maxGasLimit global max for request gas limit
   * @return s_provingKeyHashes list of registered key hashes
   */
  function getRequestConfig()
    external
    view
    returns (
      uint16,
      uint32,
      bytes32[] memory
    );

  /**
   * @notice Request a set of random words.
   * @param keyHash - Corresponds to a particular oracle job which uses
   * that key for generating the VRF proof. Different keyHash's have different gas price
   * ceilings, so you can select a specific one to bound your maximum per request cost.
   * @param subId  - The ID of the VRF subscription. Must be funded
   * with the minimum subscription balance required for the selected keyHash.
   * @param minimumRequestConfirmations - How many blocks you'd like the
   * oracle to wait before responding to the request. See SECURITY CONSIDERATIONS
   * for why you may want to request more. The acceptable range is
   * [minimumRequestBlockConfirmations, 200].
   * @param callbackGasLimit - How much gas you'd like to receive in your
   * fulfillRandomWords callback. Note that gasleft() inside fulfillRandomWords
   * may be slightly less than this amount because of gas used calling the function
   * (argument decoding etc.), so you may need to request slightly more than you expect
   * to have inside fulfillRandomWords. The acceptable range is
   * [0, maxGasLimit]
   * @param numWords - The number of uint256 random values you'd like to receive
   * in your fulfillRandomWords callback. Note these numbers are expanded in a
   * secure way by the VRFCoordinator from a single random value supplied by the oracle.
   * @return requestId - A unique identifier of the request. Can be used to match
   * a request to a response in fulfillRandomWords.
   */
  function requestRandomWords(
    bytes32 keyHash,
    uint64 subId,
    uint16 minimumRequestConfirmations,
    uint32 callbackGasLimit,
    uint32 numWords
  ) external returns (uint256 requestId);

  /**
   * @notice Create a VRF subscription.
   * @return subId - A unique subscription id.
   * @dev You can manage the consumer set dynamically with addConsumer/removeConsumer.
   * @dev Note to fund the subscription, use transferAndCall. For example
   * @dev  LINKTOKEN.transferAndCall(
   * @dev    address(COORDINATOR),
   * @dev    amount,
   * @dev    abi.encode(subId));
   */
  function createSubscription() external returns (uint64 subId);

  /**
   * @notice Get a VRF subscription.
   * @param subId - ID of the subscription
   * @return balance - LINK balance of the subscription in juels.
   * @return reqCount - number of requests for this subscription, determines fee tier.
   * @return owner - owner of the subscription.
   * @return consumers - list of consumer address which are able to use this subscription.
   */
  function getSubscription(uint64 subId)
    external
    view
    returns (
      uint96 balance,
      uint64 reqCount,
      address owner,
      address[] memory consumers
    );

  /**
   * @notice Request subscription owner transfer.
   * @param subId - ID of the subscription
   * @param newOwner - proposed new owner of the subscription
   */
  function requestSubscriptionOwnerTransfer(uint64 subId, address newOwner) external;

  /**
   * @notice Request subscription owner transfer.
   * @param subId - ID of the subscription
   * @dev will revert if original owner of subId has
   * not requested that msg.sender become the new owner.
   */
  function acceptSubscriptionOwnerTransfer(uint64 subId) external;

  /**
   * @notice Add a consumer to a VRF subscription.
   * @param subId - ID of the subscription
   * @param consumer - New consumer which can use the subscription
   */
  function addConsumer(uint64 subId, address consumer) external;

  /**
   * @notice Remove a consumer from a VRF subscription.
   * @param subId - ID of the subscription
   * @param consumer - Consumer to remove from the subscription
   */
  function removeConsumer(uint64 subId, address consumer) external;

  /**
   * @notice Cancel a subscription
   * @param subId - ID of the subscription
   * @param to - Where to send the remaining LINK to
   */
  function cancelSubscription(uint64 subId, address to) external;

  /*
   * @notice Check to see if there exists a request commitment consumers
   * for all consumers and keyhashes for a given sub.
   * @param subId - ID of the subscription
   * @return true if there exists at least one unfulfilled request for the subscription, false
   * otherwise.
   */
  function pendingRequestExists(uint64 subId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (access/AccessControl.sol)

pragma solidity ^0.8.0;

import "./IAccessControl.sol";
import "../utils/Context.sol";
import "../utils/Strings.sol";
import "../utils/introspection/ERC165.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControl is Context, IAccessControl, ERC165 {
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role);
        _;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
        return _roles[role].members[account];
    }

    /**
     * @dev Revert with a standard message if `_msgSender()` is missing `role`.
     * Overriding this function changes the behavior of the {onlyRole} modifier.
     *
     * Format of the revert message is described in {_checkRole}.
     *
     * _Available since v4.6._
     */
    function _checkRole(bytes32 role) internal view virtual {
        _checkRole(role, _msgSender());
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view virtual {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        Strings.toHexString(account),
                        " is missing role ",
                        Strings.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleGranted} event.
     */
    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleRevoked} event.
     */
    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been revoked `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     *
     * May emit a {RoleRevoked} event.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * May emit a {RoleGranted} event.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     *
     * NOTE: This function is deprecated in favor of {_grantRole}.
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        bytes32 previousAdminRole = getRoleAdmin(role);
        _roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleGranted} event.
     */
    function _grantRole(bytes32 role, address account) internal virtual {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleRevoked} event.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155 is IERC165 {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev _Available since v3.1._
 */
interface IERC1155Receiver is IERC165 {
    /**
     * @dev Handles the receipt of a single ERC1155 token type. This function is
     * called at the end of a `safeTransferFrom` after the balance has been updated.
     *
     * NOTE: To accept the transfer, this must return
     * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
     * (i.e. 0xf23a6e61, or its own function selector).
     *
     * @param operator The address which initiated the transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param id The ID of the token being transferred
     * @param value The amount of tokens being transferred
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
     */
    function onERC1155Received(
        address operator,
        address from,
        uint256 id,
        uint256 value,
        bytes calldata data
    ) external returns (bytes4);

    /**
     * @dev Handles the receipt of a multiple ERC1155 token types. This function
     * is called at the end of a `safeBatchTransferFrom` after the balances have
     * been updated.
     *
     * NOTE: To accept the transfer(s), this must return
     * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
     * (i.e. 0xbc197c81, or its own function selector).
     *
     * @param operator The address which initiated the batch transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param ids An array containing ids of each token being transferred (order and length must match values array)
     * @param values An array containing amounts of each token being transferred (order and length must match ids array)
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
     */
    function onERC1155BatchReceived(
        address operator,
        address from,
        uint256[] calldata ids,
        uint256[] calldata values,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/utils/ERC1155Holder.sol)

pragma solidity ^0.8.0;

import "./ERC1155Receiver.sol";

/**
 * Simple implementation of `ERC1155Receiver` that will allow a contract to hold ERC1155 tokens.
 *
 * IMPORTANT: When inheriting this contract, you must include a way to use the received tokens, otherwise they will be
 * stuck.
 *
 * @dev _Available since v3.1._
 */
contract ERC1155Holder is ERC1155Receiver {
    function onERC1155Received(
        address,
        address,
        uint256,
        uint256,
        bytes memory
    ) public virtual override returns (bytes4) {
        return this.onERC1155Received.selector;
    }

    function onERC1155BatchReceived(
        address,
        address,
        uint256[] memory,
        uint256[] memory,
        bytes memory
    ) public virtual override returns (bytes4) {
        return this.onERC1155BatchReceived.selector;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/utils/ERC1155Receiver.sol)

pragma solidity ^0.8.0;

import "../IERC1155Receiver.sol";
import "../../../utils/introspection/ERC165.sol";

/**
 * @dev _Available since v3.1._
 */
abstract contract ERC1155Receiver is ERC165, IERC1155Receiver {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator,
        Rounding rounding
    ) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10**64) {
                value /= 10**64;
                result += 64;
            }
            if (value >= 10**32) {
                value /= 10**32;
                result += 32;
            }
            if (value >= 10**16) {
                value /= 10**16;
                result += 16;
            }
            if (value >= 10**8) {
                value /= 10**8;
                result += 8;
            }
            if (value >= 10**4) {
                value /= 10**4;
                result += 4;
            }
            if (value >= 10**2) {
                value /= 10**2;
                result += 2;
            }
            if (value >= 10**1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.11;

import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import "@openzeppelin/contracts/token/ERC1155/utils/ERC1155Holder.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

contract DepositDistributor is ERC1155Holder, Ownable, ReentrancyGuard {
    // ERC1155 token and deposit-related state variables
    IERC1155 public erc1155Token; // ERC1155 token interface

    uint256 private daoTokenId; // DAO token ID

    // Staking-related state variables
    mapping(address => uint256) public stakedAt; // Timestamp when a user staked their tokens
    mapping(address => uint256) public stakedTokens; // Mapping of staked tokens per user
    address[] public stakedUsers; // Array of staked user addresses
    mapping(address => uint256) public stakedBalances; // Mapping of staked token balances per user
    mapping(address => uint256) public stakedUserIndexes; // Mapping of user indexes in the stakedUsers array
    uint256 public constant MINIMUM_STAKING_DURATION = 21 days; // Minimum staking duration

    // Deposit-related state variables
    mapping(uint256 => uint256) public depositTimestamps; // Mapping of deposit timestamps
    mapping(address => uint256) public balances; // Mapping of user balances
    mapping(address => mapping(uint256 => bool)) private claimed; // Mapping of claimed deposits per user
    mapping(address => bool) public allowList; // Mapping of allowed addresses for depositing
    uint256 private totalDeposits; // Total deposits for rewards distribution
    uint256 private totalDeposited; // Total deposited funds in the contract

    uint256 private daoTokenTotalSupply; // Total supply of the DAO token

    // Beneficiary state variable
    address public beneficiary; // Address of the beneficiary for unclaimed rewards

    // Events declaration
    event Deposited(
        address indexed depositor,
        uint256 amount,
        uint256 totalDeposited
    );
    event Distributed(uint256 totalDistributed);
    event Claimed(address indexed claimer, uint256 amount);
    event Staked(address indexed staker, uint256 amount);
    event Unstaked(address indexed unstaker, uint256 amount);

    constructor(
        address _erc1155Token,
        uint256 _daoTokenId,
        address _beneficiary,
        uint256 _initialTotalSupply
    ) Ownable() {
        erc1155Token = IERC1155(_erc1155Token);
        daoTokenId = _daoTokenId;
        beneficiary = _beneficiary;
        daoTokenTotalSupply = _initialTotalSupply;
    }

    // Function to deposit funds restricted to addresses on the allow list
    function deposit(
        uint256 amount
    ) external payable onlyAllowList {
        require(msg.value == amount, "Incorrect deposit amount");

        totalDeposited += amount;
        distribute();

        depositTimestamps[totalDeposits] = block.timestamp;

        totalDeposits += 1;

        emit Deposited(msg.sender, amount, totalDeposited);
    }

    // Function to stake tokens
    function distribute() private  {

        if (stakedUsers.length == 0) {
        return;
    }


        uint256 totalDistributed = 0;

        for (uint256 i = 0; i < stakedUsers.length; i++) {
            address member = stakedUsers[i];
            uint256 balance = stakedBalances[member];

            uint256 share = (balance * totalDeposited) / (daoTokenTotalSupply);
            balances[member] += share;
            totalDistributed += share;
        }

        uint256 unclaimedRewards = totalDeposited - totalDistributed;
        (bool success, ) = payable(beneficiary).call{value: unclaimedRewards}(
            ""
        );
        require(success, "Transfer failed.");
        totalDeposited = 0;

        emit Distributed(totalDistributed);
    }

    // Function to claim rewards restricted to DAO members
    function claim() external nonReentrant {
        require(balances[msg.sender] > 0, "No balance to claim");
        require(
            !claimed[msg.sender][totalDeposits],
            "Already claimed for this deposit"
        );
        require(isStaked(msg.sender), "Not staked");
        claimed[msg.sender][totalDeposits] = true;

        uint256 balance = balances[msg.sender];
        balances[msg.sender] = 0;
        (bool success, ) = payable(msg.sender).call{value: balance}("");
        require(success, "Transfer failed.");

        emit Claimed(msg.sender, balance);
    }

    // Function to stake tokens
    function stake() external nonReentrant {
        uint256 userBalance = erc1155Token.balanceOf(msg.sender, daoTokenId);
        require(userBalance > 0, "Sender is not a member");
        require(stakedAt[msg.sender] == 0, "Already staked");

        erc1155Token.safeTransferFrom(
            msg.sender,
            address(this),
            daoTokenId,
            userBalance,
            ""
        );

        stakedAt[msg.sender] = block.timestamp;
        stakedTokens[msg.sender] = userBalance;
        stakedBalances[msg.sender] = userBalance;
        stakedUsers.push(msg.sender);
        stakedUserIndexes[msg.sender] = stakedUsers.length - 1;

        emit Staked(msg.sender, userBalance);
    }

    // Function to unstake tokens
    function unstake() external nonReentrant {
        require(stakedAt[msg.sender] > 0, "Not staked");
        uint256 stakedTime = block.timestamp - stakedAt[msg.sender];
        require(
            stakedTime >= MINIMUM_STAKING_DURATION,
            "Minimum staking duration not reached"
        );

        uint256 userStakedTokens = stakedTokens[msg.sender];
        erc1155Token.safeTransferFrom(
            address(this),
            msg.sender,
            daoTokenId,
            userStakedTokens,
            ""
        );

        stakedAt[msg.sender] = 0;
        stakedTokens[msg.sender] = 0;
        stakedBalances[msg.sender] = 0;

        uint256 userIndex = stakedUserIndexes[msg.sender];
        uint256 lastIndex = stakedUsers.length - 1;
        stakedUsers[userIndex] = stakedUsers[lastIndex];
        stakedUserIndexes[stakedUsers[userIndex]] = userIndex;
        stakedUsers.pop();

        emit Unstaked(msg.sender, userStakedTokens);
    }

    // Function to check whether a member is staked
    function isStaked(address member) public view returns (bool) {
        return stakedAt[member] > 0;
    }

    // Function to add an address to the allow list, restricted to the contract owner
    function addToAllowList(address _user) external onlyOwner {
        allowList[_user] = true;
    }

    // Function to remove an address from the allow list, restricted to the contract owner
    function removeFromAllowList(address _user) external onlyOwner {
        allowList[_user] = false;
    }

    // Modifier to restrict access to addresses on the allow list
    modifier onlyAllowList() {
        require(allowList[msg.sender], "Sender not on allow list");
        _;
    }

    fallback() external payable {
        revert("Direct transfers not allowed");
    }

    receive() external payable {
        revert("Direct transfers not allowed");
    }

    // Function to get the total number of deposits made to the contract
    function getTotalDeposits() external view returns (uint256) {
        return totalDeposits;
    }

    // Function to get the total amount of funds deposited to the contract
    function getTotalDeposited() external view returns (uint256) {
        return totalDeposited;
    }

    // Function to get the total supply of the DAO token
    function getDaoTokenTotalSupply() external view returns (uint256) {
        return daoTokenTotalSupply;
    }

    // Function to get the ID of the DAO token
    function getDaoTokenId() external view returns (uint256) {
        return daoTokenId;
    }

    function getStakedBalance(address user) public view returns (uint256) {
    return stakedBalances[user];

    }

    function getStakedTokens(address user) public view returns (uint256) {
    return stakedTokens[user];
    
    }

    function getBalance(address user) public view returns (uint256) {
    return balances[user];
    
    }

    // Function to check if a specific address has claimed rewards
    function hasClaimed(
        address user,
        uint256 depositIndex
    ) external view returns (bool) {
        return claimed[user][depositIndex];
    }

    // Function to check if a specific address has claimed rewards
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.11;

import "@chainlink/contracts/src/v0.8/AutomationCompatible.sol";
import "@chainlink/contracts/src/v0.8/interfaces/VRFCoordinatorV2Interface.sol";
import "@chainlink/contracts/src/v0.8/VRFConsumerBaseV2.sol";
import "./DepositDistributor.sol";
import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/utils/Address.sol";

contract TheBullionGameWeeklyAzulArb is
    VRFConsumerBaseV2,
    ReentrancyGuard,
    Ownable,
    AutomationCompatibleInterface,
    AccessControl
{ 
    using Address for address payable;

    address private upkeepAddress;
    address payable[] private players;
    address payable private commission;
    address payable private daoPayments;
    uint private gameId;
    mapping(uint => address payable) private gameHistory;
    mapping(uint256 => bool) public requestIdMap;
    uint public randomResult;

    address payable private depositDistributorAddress;
    mapping(uint256 => uint256) private deposits;
    uint256 private depositCount;
    mapping(uint256 => address payable) requestIdToWinner;
    mapping(address => bool) public allowList; // Mapping of allowed addresses for depositing

    enum GAME_STATE {
        CLOSED,
        OPEN,
        CALCULATING_WINNER,
        PAYING_WINNER,
        WINNER_PAID,
        PAYING_RUNNERS_UP,
        RUNNERS_UP_PAID,
        PAYING_DAO
    }

    GAME_STATE private game_state;

    bytes32 private keyHash;
    uint32 private callbackGasLimit;
    uint16 private requestConfirmations;
    uint16 private numWords;
    uint64 public subscriptionId;
    address private vrfCoordinatorV2Address;
    VRFCoordinatorV2Interface public vrfCoordinatorV2;

    AggregatorV3Interface internal priceFeed;
    uint256 private entryFeeInUSD;
    uint256 private constant PERCENT_DIVISOR = 100;
    uint256 private commissionPercentage;

    bytes32 public constant UPKEEP_ROLE = keccak256("UPKEEP_ROLE");
    bytes32 public constant SETTINGS_ROLE = keccak256("SETTINGS_ROLE");

    uint public immutable interval;
    uint private lastTimeStamp;

    bool private upkeepPerformed;
    bool private performedUpkeep;

    uint256 public referralPercentage; 


   

    event WinnerDeclared(address indexed winner, uint256 amount);
    event RunnerUpDeclared(address indexed runnerUp, uint256 amount);
    event BalanceTransferredToDAO(
        address indexed daoAddress,
        uint256 membersDepositAmount,
        uint256 amount
    );
    event UpkeepPerformed(uint256 indexed gameId);
    event randomRequested(uint256 requesRandomId);
    event DepositRecorded(uint256 indexed depositCount, uint256 depositAmount);
    event DepositMade(uint256 amount);

    event GameStateChanged(GAME_STATE newState);

    event Deposited(
        address indexed depositor,
        uint256 totalDeposited
    );

    constructor(
        address _daoPayments,
        address _commission,
        uint _updateInterval,
        address _depositDistributorAddress,
        address _priceFeed,
        address _upkeepAddress,
        bytes32 _keyHash,
        uint32 _callbackGasLimit,
        uint16 _requestConfirmations,
        uint16 _numWords,
        uint64 _subscriptionId,
        address _vrfCoordinatorV2Address
    ) VRFConsumerBaseV2(_vrfCoordinatorV2Address) {
        require(_daoPayments != address(0), "Invalid DAO payments address");
        require(
            _commission != address(0),
            "Invalid transaction commission address"
        );
        upkeepAddress = _upkeepAddress;
        gameId = 1;
        commission = payable(_commission);
        daoPayments = payable(_daoPayments);
        game_state = GAME_STATE.CLOSED;
        upkeepPerformed = false;

        performedUpkeep = false;
        interval = _updateInterval;
        lastTimeStamp = block.timestamp;
        priceFeed = AggregatorV3Interface(_priceFeed);
        entryFeeInUSD = 5.5 * 1e18;
        commissionPercentage = 10;
        depositDistributorAddress = payable(_depositDistributorAddress);
        _setupRole(DEFAULT_ADMIN_ROLE, msg.sender);
        _setupRole(SETTINGS_ROLE, msg.sender);
        _setupRole(UPKEEP_ROLE, upkeepAddress);

        keyHash = _keyHash;
        callbackGasLimit = _callbackGasLimit;
        requestConfirmations = _requestConfirmations;
        numWords = _numWords;
        subscriptionId = _subscriptionId;
        vrfCoordinatorV2Address = _vrfCoordinatorV2Address;
        vrfCoordinatorV2 = VRFCoordinatorV2Interface(_vrfCoordinatorV2Address);
    }

    modifier onlyUpkeep() {
        require(msg.sender == upkeepAddress);
        _;
    }

    function updateEntryFee(
        uint256 _entryFeeInUSD
    ) external onlyRole(SETTINGS_ROLE) {
        entryFeeInUSD = _entryFeeInUSD;
    }

    function grantUpkeepRole(
        address chainlinkNodeAddress
    ) external onlyRole(DEFAULT_ADMIN_ROLE) {
        grantRole(UPKEEP_ROLE, chainlinkNodeAddress);
    }

    function grantSettingsRole(
        address account
    ) external onlyRole(DEFAULT_ADMIN_ROLE) {
        grantRole(SETTINGS_ROLE, account);
    }

    function revokeUpkeepRole(
        address account
    ) external onlyRole(DEFAULT_ADMIN_ROLE) {
        revokeRole(UPKEEP_ROLE, account);
    }

    function revokeSettingsRole(
        address account
    ) external onlyRole(DEFAULT_ADMIN_ROLE) {
        revokeRole(SETTINGS_ROLE, account);
    }

    function setUpkeepAddress(
        address _upkeepAddress
    ) public onlyOwner returns (address) {
        upkeepAddress = _upkeepAddress;
        return upkeepAddress;
    }

    function updatePriceFeed(
        address newPriceFeed
    ) external onlyRole(SETTINGS_ROLE) {
        priceFeed = AggregatorV3Interface(newPriceFeed);
    }

    function getWinnerByLottery(
        uint game
    ) public view returns (address payable) {
        return gameHistory[game];
    }

    function getBalance() public view returns (uint) {
        return address(this).balance;
    }

    function getPlayers() public view returns (address payable[] memory) {
        return players;
    }

    function resetTimer() public onlyOwner {
        lastTimeStamp = block.timestamp;
    }

    function getTimeLeft() public view returns (uint) {
        return block.timestamp - lastTimeStamp;
    }

    function getDepositDistributorAddress() public view returns (address) {
        return depositDistributorAddress;
    }

    function getDAOPaymentsAddress() public view returns (address) {
        return daoPayments;
    }

    function getGameState() public view returns (GAME_STATE) {
        return game_state;
    }

    function getCommissionPercentage() public view returns (uint256) {
        return commissionPercentage;
    }

    function getEntryFeeInUsd() public view returns (uint256) {
        return entryFeeInUSD;
    }

    function getGameId() public view returns (uint256) {
        return gameId;
    }

    function updateCallbackGasLimit(
        uint32 _callbackGasLimit
    ) external onlyRole(SETTINGS_ROLE) {
        callbackGasLimit = _callbackGasLimit;
    }

    function updateKeyHash(bytes32 _keyHash) external onlyRole(SETTINGS_ROLE) {
        keyHash = _keyHash;
    }


    function updateDepositDistributorAddress(address _depositDistributorAddress) external onlyRole(SETTINGS_ROLE) {
        depositDistributorAddress = payable(_depositDistributorAddress);
    }

    function updateRequestConfirmations(
        uint16 _requestConfirmations
    ) external onlyRole(SETTINGS_ROLE) {
        requestConfirmations = _requestConfirmations;
    }

    function updateNumWords(uint16 _numWords) external onlyRole(SETTINGS_ROLE) {
        numWords = _numWords;
    }

    function updateSubscriptionId(
        uint64 _subscriptionId
    ) external onlyRole(SETTINGS_ROLE) {
        subscriptionId = _subscriptionId;
    }

    

    function updateVrfCoordinatorV2Address(
        address _vrfCoordinatorV2Address
    ) external onlyRole(SETTINGS_ROLE) {
        vrfCoordinatorV2Address = _vrfCoordinatorV2Address;
        vrfCoordinatorV2 = VRFCoordinatorV2Interface(_vrfCoordinatorV2Address);
    }

    function startGame() public {
        require(game_state == GAME_STATE.CLOSED);
        game_state = GAME_STATE.OPEN;
        lastTimeStamp = block.timestamp;
    }

    function endGame() public onlyOwner {
        requestRandomWords();
    }

    function setGameState(GAME_STATE newState) external onlyOwner {
    require(newState != game_state, "New state is same as current state");
     
    game_state = newState;
    
    emit GameStateChanged(game_state);
}


    function updateGameState() public onlyOwner {
        performedUpkeep = true;
        requestRandomWords();
    }


    function checkUpkeep(
        bytes calldata checkData
    )
        external
        view
        override
        onlyRole(UPKEEP_ROLE)
        returns (bool upkeepNeeded, bytes memory performData)
    {
        if (
            (game_state == GAME_STATE.OPEN) &&
            keccak256(checkData) == keccak256(hex"01")
        ) {
            upkeepNeeded = (block.timestamp - lastTimeStamp) >= interval;
            performData = checkData;
        }
    }

    function performUpkeep(
        bytes calldata performData
    ) external override {
        require(
            (block.timestamp - lastTimeStamp) >= interval,
            "Game has not ended!"
        );

        if (keccak256(performData) == keccak256(hex"01")) {
          
            checkEnoughPlayers();
        }
    }

   function checkEnoughPlayers() public {
    require(
        (block.timestamp - lastTimeStamp) >= interval,
        "Game has not ended!"
    );

    if ((address(this).balance >= 0.3 ether) || (players.length >= 10)) {
        upkeepPerformed = false;
        requestRandomWords();
    }

    lastTimeStamp = block.timestamp;
}



    function requestRandomWords()
        public
        nonReentrant
        returns (uint256 requestId)
    {
        require(
            (block.timestamp - lastTimeStamp) >= interval,
            "Game has not ended!"
        );
        game_state = GAME_STATE.CALCULATING_WINNER;

        requestId = vrfCoordinatorV2.requestRandomWords(
            keyHash,
            subscriptionId,
            requestConfirmations,
            callbackGasLimit,
            numWords
        );
        requestIdMap[requestId] = true;
        return requestId;
    }

    function fulfillRandomWords(
        uint256 _requestId,
        uint256[] memory _randomWords
    ) internal override {
        require(
            game_state == GAME_STATE.CALCULATING_WINNER,
            "Game state not CALCULATING_WINNER"
        );
        require(
            msg.sender == vrfCoordinatorV2Address,
            "Only VRFCoordinatorV2 can fulfill"
        );
        // require(_requestId > 0, "Invalid requestId");
        require(_randomWords.length > 0, "Invalid randomWords");
        require(requestIdMap[_requestId], "Invalid request ID");

        game_state = GAME_STATE.PAYING_WINNER;
        uint256 index = _randomWords[0] % players.length;
        delete requestIdMap[_requestId];
        address payable winnerAddress = payable(players[index]);
        requestIdToWinner[_requestId] = winnerAddress; // Store the winner's address for the given request ID
        declareWinner(_requestId, winnerAddress, _randomWords);
    }

    function declareWinner(
        uint256 _requestId,
        address payable winner,
        uint256[] memory _randomWords
    ) private {
        require(
            game_state == GAME_STATE.PAYING_WINNER,
            "Game must be in Paying winner state"
        );
        require(
            winner != address(0) && winner != address(this),
            "Invalid winner address "
        );
        require(
            requestIdToWinner[_requestId] == winner,
            "Winner does not match requestIdToWinner mapping"
        );
        game_state = GAME_STATE.WINNER_PAID;
        uint256 winnerShares = address(this).balance / 2;
        winner.sendValue(winnerShares);
        gameHistory[gameId] = winner;
        emit WinnerDeclared(winner, winnerShares);
        declareRunnerUps(winner, _randomWords);
    }

    function declareRunnerUps(
        address payable winner,
        uint256[] memory _randomWords
    ) private {
        require(
            game_state == GAME_STATE.WINNER_PAID,
            "Game must be in Closed state"
        );

        game_state = GAME_STATE.PAYING_RUNNERS_UP;
        uint256 index = 0;
        for (uint256 i = 0; i < players.length; i++) {
            if (players[i] == winner) {
                index = i;
                break;
            }
        }

        uint256 runnersUpShare = (address(this).balance * 2) / 5;
        uint256 numRunnersUp = players.length - 1;
        uint256 iterations = numRunnersUp <= 20 ? numRunnersUp : 20;
        uint256[] memory runnerIndices = new uint256[](iterations);

        if (numRunnersUp > 0) {
            for (uint256 j = 0; j < iterations; j++) {
                uint256 randomIndex = _randomWords[j + 1] % (numRunnersUp - j);
                runnerIndices[j] = index != 0
                    ? (randomIndex >= index ? randomIndex + 1 : randomIndex)
                    : randomIndex;
                if (runnerIndices[j] == index) runnerIndices[j]++;
                if (randomIndex < numRunnersUp - j - 1)
                    _randomWords[randomIndex + 1] = _randomWords[
                        numRunnersUp - j
                    ];
            }
        }

        uint256 runnersUpSharePerPlayer = runnersUpShare / numRunnersUp;
        for (uint256 j = 0; j < players.length; j++) {
            if (j != index) {
                address payable runner = payable(players[j]);
                require(
                    runner != address(0) && runner != address(this),
                    "Invalid runner-up address"
                );
                runner.sendValue(runnersUpSharePerPlayer);
                emit RunnerUpDeclared(players[j], runnersUpSharePerPlayer);
            }
        }

        game_state = GAME_STATE.RUNNERS_UP_PAID;
        transferBalanceToDAO();
    }

    function transferBalanceToDAO() private {
        require(
            game_state == GAME_STATE.RUNNERS_UP_PAID,
            "Game must be in Runersup Paid state"
        );

        game_state = GAME_STATE.PAYING_DAO;
        uint256 balance = address(this).balance;
        uint256 depositAmount = (balance * 3) / 10; // Calculate 30% of the balance
        uint256 remainingBalance = balance - depositAmount;

        // Store deposit amount for later withdrawal
        deposits[depositCount] = depositAmount;
        depositCount++;

        emit DepositRecorded(depositCount, depositAmount);
        (bool success, ) = daoPayments.call{value: remainingBalance}("");
        require(success, "Transfer to DAO failed");

        emit BalanceTransferredToDAO(
            daoPayments,
            depositAmount,
            remainingBalance
        );

        gameId++;
        players = new address payable[](0);

        game_state = GAME_STATE.CLOSED;
        startGame();
    }

    // Deposit the specified amount to the deposit distributor contract
    function depositToDistributor(uint256 amount) private {
       

        DepositDistributor depositDistributorInstance = DepositDistributor(
            depositDistributorAddress
        );

        depositDistributorInstance.deposit{value: amount}(amount);

        emit DepositMade(amount);
    }

    function autoDepositStaking() external onlyOwner {
        for (uint256 i = 0; i < depositCount; i++) {
            uint256 amount = deposits[i];
            deposits[i] = 0;
            depositToDistributor(amount);
        }
    }

    function manualDepositStaking(uint256 index) external onlyOwner {
        require(deposits[index] > 0, "No deposit at this index");

        uint256 amount = deposits[index];
        deposits[index] = 0;
        depositToDistributor(amount);
}

    function getLatestBNBUsdPrice() public view returns (uint256) {
        (, int256 price, , , ) = priceFeed.latestRoundData();
        uint256 adjustedPrice = uint256(price) / 1e8;
        uint256 entryFee = entryFeeInUSD / adjustedPrice;
        // uint256 adjustedForDifference = entryFee + (entryFee * 1 / 100)
        return entryFee;
    }

    function enter() public payable nonReentrant {
        require(game_state == GAME_STATE.OPEN, "Game state not OPEN");
        require(msg.sender != owner(), "Owner cannot enter");

        require(msg.value >= getLatestBNBUsdPrice(), "Entry fee too low");

        uint256 commissionInWei = (msg.value * commissionPercentage) /
            PERCENT_DIVISOR;

        players.push(payable(msg.sender));
        commission.transfer(commissionInWei);
    }


     function setReferralPercentage(uint256 newPercentage) public onlyOwner {
        require(newPercentage <= 100, "Referral percentage cannot exceed 100");
        referralPercentage = newPercentage;
    }

    function enterRef(address payable referralAddress) public payable nonReentrant {
    require(game_state == GAME_STATE.OPEN, "Game state not OPEN");
    require(msg.sender != owner(), "Owner cannot enter");
    require(msg.value >= getLatestBNBUsdPrice(), "Entry fee too low");
    require(referralAddress != msg.sender, "Referral address cannot be the sender");

    uint256 totalAmount = msg.value;
    uint256 commissionInWei = (totalAmount * commissionPercentage) / PERCENT_DIVISOR;
    uint256 referralShare = (commissionInWei * referralPercentage) / PERCENT_DIVISOR;

    players.push(payable(msg.sender));

    require(referralShare <= commissionInWei, "Referral share cannot exceed commission");

    referralAddress.transfer(referralShare);
    commission.transfer(commissionInWei - referralShare);
}




function depositBonus() external payable onlyAllowList {
        require(msg.value > 0, "Incorrect deposit amount"); 

        emit Deposited(msg.sender, msg.value);
    }


modifier onlyAllowList() {
        require(allowList[msg.sender], "Sender not on allow list");
        _;
    }


function addToAllowList(address _user) external onlyOwner {
    allowList[_user] = true;
}

// Function to remove an address from the allow list, restricted to the contract owner
function removeFromAllowList(address _user) external onlyOwner {
    allowList[_user] = false;
}


}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "london",
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

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TheBullionGameWeeklyAzulArb.GAME_STATE","name":"newState","type":"uint8"}],"name":"setGameState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newPercentage","type":"uint256"}],"name":"setReferralPercentage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_upkeepAddress","type":"address"}],"name":"setUpkeepAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startGame","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"subscriptionId","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32","name":"_callbackGasLimit","type":"uint32"}],"name":"updateCallbackGasLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_depositDistributorAddress","type":"address"}],"name":"updateDepositDistributorAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_entryFeeInUSD","type":"uint256"}],"name":"updateEntryFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"updateGameState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_keyHash","type":"bytes32"}],"name":"updateKeyHash","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_numWords","type":"uint16"}],"name":"updateNumWords","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newPriceFeed","type":"address"}],"name":"updatePriceFeed","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_requestConfirmations","type":"uint16"}],"name":"updateRequestConfirmations","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint64","name":"_subscriptionId","type":"uint64"}],"name":"updateSubscriptionId","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_vrfCoordinatorV2Address","type":"address"}],"name":"updateVrfCoordinatorV2Address","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"vrfCoordinatorV2","outputs":[{"internalType":"contract VRFCoordinatorV2Interface","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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

-----Decoded View---------------
Arg [0] : _daoPayments (address): 0xcD4B33051D2332f6a4248d915C38a33a754287d1
Arg [1] : _commission (address): 0xB682Ad0b24ae702B696b2afc71ef9040FD2ccF04
Arg [2] : _updateInterval (uint256): 604800
Arg [3] : _depositDistributorAddress (address): 0xDFc424b01Ea80F0805Df3F6bA4d0160693c781A6
Arg [4] : _priceFeed (address): 0x639Fe6ab55C921f74e7fac1ee960C0B6293ba612
Arg [5] : _upkeepAddress (address): 0x75c0530885F385721fddA23C539AF3701d6183D4
Arg [6] : _keyHash (bytes32): 0x08ba8f62ff6c40a58877a106147661db43bc58dabfb814793847a839aa03367f
Arg [7] : _callbackGasLimit (uint32): 2500000
Arg [8] : _requestConfirmations (uint16): 3
Arg [9] : _numWords (uint16): 21
Arg [10] : _subscriptionId (uint64): 50
Arg [11] : _vrfCoordinatorV2Address (address): 0x41034678D6C633D8a95c75e1138A360a28bA15d1

-----Encoded View---------------
12 Constructor Arguments found :
Arg [0] : 000000000000000000000000cd4b33051d2332f6a4248d915c38a33a754287d1
Arg [1] : 000000000000000000000000b682ad0b24ae702b696b2afc71ef9040fd2ccf04
Arg [2] : 0000000000000000000000000000000000000000000000000000000000093a80
Arg [3] : 000000000000000000000000dfc424b01ea80f0805df3f6ba4d0160693c781a6
Arg [4] : 000000000000000000000000639fe6ab55c921f74e7fac1ee960c0b6293ba612
Arg [5] : 00000000000000000000000075c0530885f385721fdda23c539af3701d6183d4
Arg [6] : 08ba8f62ff6c40a58877a106147661db43bc58dabfb814793847a839aa03367f
Arg [7] : 00000000000000000000000000000000000000000000000000000000002625a0
Arg [8] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [9] : 0000000000000000000000000000000000000000000000000000000000000015
Arg [10] : 0000000000000000000000000000000000000000000000000000000000000032
Arg [11] : 00000000000000000000000041034678d6c633d8a95c75e1138a360a28ba15d1